Guaifenex Guaifenex Pse 600, Sinus Infection
Posted over a year ago
Was prescribed Guaifenex PSE 600/120 for an sinus infection. Took my first pill last night at 9:00pm before bed and let me say I have yet to sleep. It's now 11:45am and I am still not tired. Will never take these again. Help...

